369 / | HD | DYNAMIC INFORMATION STORAGE OR RETRIEVAL |
24 | DF | OPERATOR-ACTUATED REMOTE CONTROL OR INFORMATION LOCATION {3} |
30 | DF | .~ Selective addressing of storage medium (e.g., programmed access, "juke box") {7} |
36 | DF | .~.~ With unitary plural disc carrier {3} |
39 | .~.~.~ Scanning turntable |